81018840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96451}}^1$

素因数の和:96472

約数の個数: 64

約数和(自身を含む): 277781760

約数和(自身を除く): 196762920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96451, 192902, 289353, 385804, 482255, 578706, 675157, 771608, 964510, 1157412, 1350314, 1446765, 1929020, 2025471, 2314824, 2700628, 2893530, 3375785, 3858040, 4050942, 5401256, 5787060, 6751570, 8101884, 10127355, 11574120, 13503140, 16203768, 20254710, 27006280, 40509420, 81018840]

約数ペア:

[(1, 81018840), (2, 40509420), (3, 27006280), (4, 20254710), (5, 16203768), (6, 13503140), (7, 11574120), (8, 10127355), (10, 8101884), (12, 6751570), (14, 5787060), (15, 5401256), (20, 4050942), (21, 3858040), (24, 3375785), (28, 2893530), (30, 2700628), (35, 2314824), (40, 2025471), (42, 1929020), (56, 1446765), (60, 1350314), (70, 1157412), (84, 964510), (105, 771608), (120, 675157), (140, 578706), (168, 482255), (210, 385804), (280, 289353), (420, 192902), (840, 96451)]